Simple Fire Alarm Circuit Using LDR | BC548 BC558 Fire Protection Project
Автор: @Tusar All Electronics
Загружено: 2025-12-21
Просмотров: 777
Описание:
In this video, I have built a simple and low-cost Fire Alarm / Fire Protection Circuit using basic electronic components.
This project is very useful for beginners, students, and electronics hobbyists.
The circuit uses BC548 and BC558 transistors along with an LDR sensor to detect fire or high heat.
When fire or intense light from flame falls on the LDR, the circuit activates the alarm automatically.
🔧 Components Used:
• BC548 Transistor
• BC558 Transistor
• LDR (Light Dependent Resistor)
• 1K Resistor
• 2.2µF Capacitor
• Buzzer / Alarm
• Power Supply
🔥 Features:
• Low cost fire alarm circuit
• Easy to build at home
• Suitable for school & college projects
• Basic fire protection system
• Beginner-friendly electronics project
📌 Applications:
• Home fire safety
• Small shops & offices
• Electronics learning projects
• Science fair projects
If you like this video, please LIKE 👍, SHARE 📤 and SUBSCRIBE 🔔 for more electronics projects.
Thanks for watching!
#firealarm
#fireprotection
#electronics
#electronicsproject
#ldr
#diy
#firecircuit
#transistor
#bc548
#bc558
#shorts
#ytshorts
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